The world Cal and Frida have always known is gone, and they've left the crumbling city of Los Angeles far behind them. They now live in a shack in the wilderness, working side-by-side to make their days tolerable despite the isolation and hardships they face. Consumed by fear of the future and mourning for a past they can't reclaim, they seek comfort and solace in one other. But the tentative existence they've built for themselves is thrown into doubt when Frida finds out she's pregnant. Terrified of the unknown but unsure of their ability to raise a child alone, Cal and Frida set out for the nearest settlement, a guarded and paranoid community with dark secrets. These people can offer them security, but Cal and Frida soon realize this community poses its own dangers. In this unfamiliar world, where everything and everyone can be perceived as a threat, the couple must quickly decide whom to trust.